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Tina JimenezAug 4, 2025
What to do if my LG LCD TV fails to power up?
- MMichael HolmesAug 4, 2025
If your LG LCD TV fails to power up, start by inspecting the P401 power connector. If the connector is okay, consider replacing the Power Board. Also, check the Q409 application circuit and the Q409 output Voltage (12V), replacing Q409 if necessary. Inspect the LVDS Cable and replace it, if needed. Finally, check the LCD Module Control board.